1 //===-- AMDGPUSubtarget.cpp - AMDGPU Subtarget Information ----------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 /// \file 11 /// \brief Implements the AMDGPU specific subclass of TargetSubtarget. 12 // 13 //===----------------------------------------------------------------------===// 14 15 #include "AMDGPUSubtarget.h" 16 #include <stdio.h> 17 18 using namespace llvm; 19 20 #define GET_SUBTARGETINFO_ENUM 21 #define GET_SUBTARGETINFO_TARGET_DESC 22 #define GET_SUBTARGETINFO_CTOR 23 #include "AMDGPUGenSubtargetInfo.inc" 24 25 AMDGPUSubtarget::AMDGPUSubtarget(StringRef TT, StringRef CPU, StringRef FS) : 26 AMDGPUGenSubtargetInfo(TT, CPU, FS), DumpCode(false) { 27 InstrItins = getInstrItineraryForCPU(CPU); 28 29 // Default card 30 StringRef GPU = CPU; 31 Is64bit = false; 32 DefaultSize[0] = 64; 33 DefaultSize[1] = 1; 34 DefaultSize[2] = 1; 35 HasVertexCache = false; 36 TexVTXClauseSize = 0; 37 Gen = AMDGPUSubtarget::R600; 38 FP64 = false; 39 CaymanISA = false; 40 ParseSubtargetFeatures(GPU, FS); 41 DevName = GPU; 42 } 43 44 bool 45 AMDGPUSubtarget::is64bit() const { 46 return Is64bit; 47 } 48 bool 49 AMDGPUSubtarget::hasVertexCache() const { 50 return HasVertexCache; 51 } 52 short 53 AMDGPUSubtarget::getTexVTXClauseSize() const { 54 return TexVTXClauseSize; 55 } 56 enum AMDGPUSubtarget::Generation 57 AMDGPUSubtarget::getGeneration() const { 58 return Gen; 59 } 60 bool 61 AMDGPUSubtarget::hasHWFP64() const { 62 return FP64; 63 } 64 bool 65 AMDGPUSubtarget::hasCaymanISA() const { 66 return CaymanISA; 67 } 68 bool 69 AMDGPUSubtarget::isTargetELF() const { 70 return false; 71 } 72 size_t 73 AMDGPUSubtarget::getDefaultSize(uint32_t dim) const { 74 if (dim > 3) { 75 return 1; 76 } else { 77 return DefaultSize[dim]; 78 } 79 } 80 81 std::string 82 AMDGPUSubtarget::getDataLayout() const { 83 std::string DataLayout = std::string( 84 "e" 85 "-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32" 86 "-v16:16:16-v24:32:32-v32:32:32-v48:64:64-v64:64:64-v96:128:128-v128:128:128" 87 "-v192:256:256-v256:256:256-v512:512:512-v1024:1024:1024-v2048:2048:2048" 88 "-n32:64" 89 ); 90 91 if (hasHWFP64()) { 92 DataLayout.append("-f64:64:64"); 93 } 94 95 if (is64bit()) { 96 DataLayout.append("-p:64:64:64"); 97 } else { 98 DataLayout.append("-p:32:32:32"); 99 } 100 101 return DataLayout; 102 } 103 104 std::string 105 AMDGPUSubtarget::getDeviceName() const { 106 return DevName; 107 } 108
